/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-65.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 09:56:59,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 09:56:59,204 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 09:56:59,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 09:56:59,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 09:56:59,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 09:56:59,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 09:56:59,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 09:56:59,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 09:56:59,235 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 09:56:59,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 09:56:59,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 09:56:59,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 09:56:59,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 09:56:59,237 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 09:56:59,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 09:56:59,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 09:56:59,238 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 09:56:59,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 09:56:59,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 09:56:59,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 09:56:59,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 09:56:59,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 09:56:59,239 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 09:56:59,239 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 09:56:59,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 09:56:59,239 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 09:56:59,239 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 09:56:59,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 09:56:59,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 09:56:59,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 09:56:59,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 09:56:59,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 09:56:59,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 09:56:59,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 09:56:59,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 09:56:59,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 09:56:59,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 09:56:59,241 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 09:56:59,241 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 09:56:59,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 09:56:59,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 09:56:59,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 09:56:59,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 09:56:59,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 09:56:59,242 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 09:56:59,242 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 09:56:59,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 09:56:59,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 09:56:59,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 09:56:59,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 09:56:59,437 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 09:56:59,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-65.i [2023-12-23 09:57:00,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 09:57:00,674 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 09:57:00,674 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-65.i [2023-12-23 09:57:00,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd598a0e6/ebfd75515bc04326b98f59ea1e0d8d9d/FLAGd4f16b3ef [2023-12-23 09:57:00,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd598a0e6/ebfd75515bc04326b98f59ea1e0d8d9d [2023-12-23 09:57:00,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 09:57:00,700 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 09:57:00,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 09:57:00,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 09:57:00,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 09:57:00,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:00,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27eadf3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00, skipping insertion in model container [2023-12-23 09:57:00,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:00,739 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 09:57:00,834 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-65.i[919,932] [2023-12-23 09:57:00,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 09:57:00,896 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 09:57:00,904 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-65.i[919,932] [2023-12-23 09:57:00,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 09:57:00,974 INFO L206 MainTranslator]: Completed translation [2023-12-23 09:57:00,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00 WrapperNode [2023-12-23 09:57:00,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 09:57:00,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 09:57:00,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 09:57:00,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 09:57:00,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:00,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,011 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2023-12-23 09:57:01,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 09:57:01,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 09:57:01,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 09:57:01,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 09:57:01,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,043 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-23 09:57:01,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 09:57:01,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 09:57:01,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 09:57:01,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 09:57:01,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (1/1) ... [2023-12-23 09:57:01,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 09:57:01,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 09:57:01,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-23 09:57:01,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-23 09:57:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 09:57:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 09:57:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 09:57:01,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 09:57:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 09:57:01,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 09:57:01,204 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 09:57:01,207 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 09:57:02,585 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 09:57:02,633 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 09:57:02,633 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 09:57:02,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:57:02 BoogieIcfgContainer [2023-12-23 09:57:02,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 09:57:02,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 09:57:02,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 09:57:02,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 09:57:02,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:57:00" (1/3) ... [2023-12-23 09:57:02,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a06a592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:57:02, skipping insertion in model container [2023-12-23 09:57:02,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:57:00" (2/3) ... [2023-12-23 09:57:02,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a06a592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:57:02, skipping insertion in model container [2023-12-23 09:57:02,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:57:02" (3/3) ... [2023-12-23 09:57:02,640 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-65.i [2023-12-23 09:57:02,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 09:57:02,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 09:57:02,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 09:57:02,692 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25bf8b61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 09:57:02,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 09:57:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 52 states have internal predecessors, (76), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-23 09:57:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-23 09:57:02,717 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:57:02,718 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 09:57:02,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:57:02,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:57:02,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1499988331, now seen corresponding path program 1 times [2023-12-23 09:57:02,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:57:02,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649258050] [2023-12-23 09:57:02,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:57:02,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:57:02,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:57:02,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 09:57:02,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-23 09:57:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:57:03,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 09:57:03,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:57:03,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 850 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2023-12-23 09:57:03,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 09:57:03,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 09:57:03,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649258050] [2023-12-23 09:57:03,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649258050] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 09:57:03,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 09:57:03,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 09:57:03,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999983070] [2023-12-23 09:57:03,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 09:57:03,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 09:57:03,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 09:57:03,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 09:57:03,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 09:57:03,161 INFO L87 Difference]: Start difference. First operand has 84 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 52 states have internal predecessors, (76), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-23 09:57:03,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 09:57:03,727 INFO L93 Difference]: Finished difference Result 165 states and 300 transitions. [2023-12-23 09:57:03,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 09:57:03,748 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 187 [2023-12-23 09:57:03,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 09:57:03,753 INFO L225 Difference]: With dead ends: 165 [2023-12-23 09:57:03,753 INFO L226 Difference]: Without dead ends: 82 [2023-12-23 09:57:03,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 09:57:03,758 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-23 09:57:03,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-23 09:57:03,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-12-23 09:57:03,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-12-23 09:57:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-23 09:57:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 130 transitions. [2023-12-23 09:57:03,791 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 130 transitions. Word has length 187 [2023-12-23 09:57:03,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 09:57:03,791 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 130 transitions. [2023-12-23 09:57:03,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-23 09:57:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2023-12-23 09:57:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-23 09:57:03,795 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:57:03,795 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 09:57:03,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 09:57:03,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:57:03,998 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:57:03,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:57:03,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1288561373, now seen corresponding path program 1 times [2023-12-23 09:57:03,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:57:04,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495105248] [2023-12-23 09:57:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:57:04,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:57:04,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:57:04,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 09:57:04,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 09:57:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:57:04,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 09:57:04,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:57:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 593 proven. 69 refuted. 0 times theorem prover too weak. 1078 trivial. 0 not checked. [2023-12-23 09:57:04,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 09:57:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 18 proven. 69 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-23 09:57:04,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 09:57:04,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495105248] [2023-12-23 09:57:04,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495105248] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 09:57:04,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 09:57:04,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-23 09:57:04,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161300565] [2023-12-23 09:57:04,974 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 09:57:04,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-23 09:57:04,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 09:57:04,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-23 09:57:04,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-23 09:57:04,977 INFO L87 Difference]: Start difference. First operand 82 states and 130 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-12-23 09:57:06,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 09:57:06,296 INFO L93 Difference]: Finished difference Result 181 states and 282 transitions. [2023-12-23 09:57:06,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 09:57:06,298 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 187 [2023-12-23 09:57:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 09:57:06,299 INFO L225 Difference]: With dead ends: 181 [2023-12-23 09:57:06,300 INFO L226 Difference]: Without dead ends: 100 [2023-12-23 09:57:06,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-12-23 09:57:06,301 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 195 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-23 09:57:06,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 240 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-23 09:57:06,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-12-23 09:57:06,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 95. [2023-12-23 09:57:06,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 57 states have internal predecessors, (75), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-23 09:57:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 147 transitions. [2023-12-23 09:57:06,316 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 147 transitions. Word has length 187 [2023-12-23 09:57:06,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 09:57:06,317 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 147 transitions. [2023-12-23 09:57:06,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-12-23 09:57:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 147 transitions. [2023-12-23 09:57:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-23 09:57:06,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:57:06,319 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 09:57:06,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 09:57:06,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:57:06,527 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:57:06,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:57:06,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2101015546, now seen corresponding path program 1 times [2023-12-23 09:57:06,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:57:06,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296211770] [2023-12-23 09:57:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:57:06,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:57:06,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:57:06,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 09:57:06,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-23 09:57:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:57:06,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 09:57:06,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:57:06,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 879 proven. 36 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2023-12-23 09:57:06,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 09:57:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 51 proven. 36 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-23 09:57:07,122 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 09:57:07,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296211770] [2023-12-23 09:57:07,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296211770] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 09:57:07,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 09:57:07,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-23 09:57:07,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923815738] [2023-12-23 09:57:07,128 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 09:57:07,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 09:57:07,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 09:57:07,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 09:57:07,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-23 09:57:07,129 INFO L87 Difference]: Start difference. First operand 95 states and 147 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-23 09:57:08,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 09:57:08,559 INFO L93 Difference]: Finished difference Result 250 states and 370 transitions. [2023-12-23 09:57:08,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-23 09:57:08,559 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 188 [2023-12-23 09:57:08,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 09:57:08,561 INFO L225 Difference]: With dead ends: 250 [2023-12-23 09:57:08,561 INFO L226 Difference]: Without dead ends: 165 [2023-12-23 09:57:08,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 368 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-12-23 09:57:08,563 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 178 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-23 09:57:08,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 348 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-23 09:57:08,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-12-23 09:57:08,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 147. [2023-12-23 09:57:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 80 states have (on average 1.1625) internal successors, (93), 81 states have internal predecessors, (93), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 09:57:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 213 transitions. [2023-12-23 09:57:08,606 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 213 transitions. Word has length 188 [2023-12-23 09:57:08,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 09:57:08,606 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 213 transitions. [2023-12-23 09:57:08,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-23 09:57:08,607 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2023-12-23 09:57:08,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-23 09:57:08,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:57:08,614 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 09:57:08,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-23 09:57:08,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:57:08,822 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:57:08,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:57:08,823 INFO L85 PathProgramCache]: Analyzing trace with hash -787660872, now seen corresponding path program 1 times [2023-12-23 09:57:08,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:57:08,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429189016] [2023-12-23 09:57:08,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:57:08,824 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:57:08,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:57:08,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 09:57:08,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-23 09:57:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:57:09,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 09:57:09,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:57:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-23 09:57:09,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 09:57:09,403 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 09:57:09,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429189016] [2023-12-23 09:57:09,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429189016] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 09:57:09,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 09:57:09,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 09:57:09,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104416585] [2023-12-23 09:57:09,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 09:57:09,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 09:57:09,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 09:57:09,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 09:57:09,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-23 09:57:09,405 INFO L87 Difference]: Start difference. First operand 147 states and 213 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-23 09:57:10,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 09:57:10,936 INFO L93 Difference]: Finished difference Result 327 states and 473 transitions. [2023-12-23 09:57:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-23 09:57:10,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 188 [2023-12-23 09:57:10,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 09:57:10,941 INFO L225 Difference]: With dead ends: 327 [2023-12-23 09:57:10,941 INFO L226 Difference]: Without dead ends: 240 [2023-12-23 09:57:10,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-23 09:57:10,942 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 144 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-23 09:57:10,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 290 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-23 09:57:10,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-12-23 09:57:10,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 159. [2023-12-23 09:57:10,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 92 states have (on average 1.173913043478261) internal successors, (108), 93 states have internal predecessors, (108), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 09:57:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 228 transitions. [2023-12-23 09:57:10,974 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 228 transitions. Word has length 188 [2023-12-23 09:57:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 09:57:10,975 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 228 transitions. [2023-12-23 09:57:10,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-23 09:57:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 228 transitions. [2023-12-23 09:57:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-23 09:57:10,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:57:10,978 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 09:57:10,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-23 09:57:11,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:57:11,188 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:57:11,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:57:11,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2103714902, now seen corresponding path program 1 times [2023-12-23 09:57:11,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:57:11,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265991428] [2023-12-23 09:57:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:57:11,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:57:11,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:57:11,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 09:57:11,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-23 09:57:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:57:11,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-23 09:57:11,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:57:32,001 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 09:57:49,141 WARN L293 SmtUtils]: Spent 5.86s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 09:58:07,872 WARN L293 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 09:58:29,339 WARN L293 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 09:59:39,909 WARN L293 SmtUtils]: Spent 13.67s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 10:01:26,519 WARN L293 SmtUtils]: Spent 21.61s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)